Doggie life jacket is designed to keep dogs safe in and around water. Durable materials provide warmth and protection from abrasions. Highly-visible Neon Orange color is perfect for water sport adventures. For an exact fit, measure the circumference of dogs chest just behind the front legs at its deepest point. Tiny Dog Life Jacket Weight up to 6 lbs. Fits Chest size 12"-16". Color: YellowOrangePink Polka DotsBlue Polka DotsThe Louie Extra Small Dog Life Jacket Weight 7-15lbs. Fits Chest size 16"-20" Color: YellowOrangePink Polka DotsBlue Polka DotsThe Louie Small Dog Life Jacket Weight 15-20lbs. Fits Chest size 20"-24" Color: YellowOrangePink Polka DotsBlue Polka DotsThe Louie Medium Life Jacket for Dogs Weight 18 - 50 lbs. Chest size 23"-31" Color: OrangeYellowPink Polka DotsBlue Polka DotsThe Louie Large Life Jacket for Dogs Weight over 50 lbs. Chest size 27"-38" Color: Orange Extra Large Dog Life Jacket Fits Chest size 38"-48" Color: Orange Yellow Life Jacket Blue and Pink Polka Dots The Louie